From a92f232464426ab6996279b037f58babbb8be66f Mon Sep 17 00:00:00 2001
From: qkqpttgf <45693631+qkqpttgf@users.noreply.github.com>
Date: Mon, 17 Feb 2020 20:43:46 +0800
Subject: [PATCH] Update heroku.php

---
 function/heroku.php | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/function/heroku.php b/function/heroku.php
index ffe52d1..93da5ed 100644
--- a/function/heroku.php
+++ b/function/heroku.php
@@ -95,7 +95,8 @@ function setConfig($arr, $disktag = '')
     }
     if ($oparetdisk) {
         foreach ($disktags as $disktag) if ($disktag!='') $disktag_s .= $disktag . '|';
-        $tmp['disktag'] = substr($disktag_s, 0, -1);
+        if ($disktag_s!='') $tmp['disktag'] = substr($disktag_s, 0, -1);
+        else $tmp['disktag'] = '';
     }
     echo '正式设置：'.json_encode($tmp,JSON_PRETTY_PRINT).'
 ';